Fingernail ring



FIG. 1 is a perspective view of a fingernail ring, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof, the front elevational view being a mirror image thereof; and,

FIG. 5 is a left side elevational view thereof, the right side elevational view being a mirror image thereof.

The broken lines in FIG. 1 represent environmental matter and form no part of the claimed design. 

What is claimed is the ornamental design for a fingernail ring, as shown and described. 